# input()函数将获取到用户输入(获取的输入默认为string类型)
# message = input("Tell me something, and I will repeat it back to you: ")
# print(message)

# int()函数来获取数值输入
# height = input("How tall are you, in inches? ")
# height = int(height)
# if height >= 36:
#     print("\nYou're tall enough to ride!")
# else:
#     print("\nYou'll be able to ride when you're a little older.")

# while循环
current_number = 1
while current_number <= 5:
    print(current_number)
    current_number += 1
while current_number <= 10:
    print(current_number)
    current_number += 2
# msg = ""
# while msg != 'quite':
#     msg = input("请输入：")
#     if msg != 'quite':
#         print(msg)

# while循环中使用标志
# active = True
# while active:
#     msg = input("请输入：")
#     if msg == 'quite':
#         active = False
#         break
#     else:
#         print(msg)

# while循环中使用continue
current_number = 0
while current_number < 10:
    current_number += 1
    if current_number % 2 == 0:
        continue
    print(current_number)

# 使用 while 循环来处理列表和字典

# 首先，创建一个待验证用户列表
# 和一个用于存储已验证用户的空列表
unconfirmed_users = ['alice', 'brian', 'candace']
confirmed_users = []
#  验证每个用户，直到没有未验证用户为止
# 将每个经过验证的列表都移到已验证用户列表中
while unconfirmed_users:
    current_user = unconfirmed_users.pop()
    print("Verifying user: " + current_user.title())
    confirmed_users.append(current_user)
#  显示所有已验证的用户
print("\nThe following users have been confirmed:")
for confirmed_user in confirmed_users:
    print(confirmed_user.title())

# 删除包含特定值的所有列表元素
pets = ['dog', 'cat', 'dog', 'goldfish', 'cat', 'rabbit', 'cat']
print(pets)
while 'cat' in pets:
    pets.remove('cat')
print(pets)

# 使用用户输入来填充字典（字典为键值对）
responses = {}
# 设置一个标志，指出调查是否继续
polling_active = True
while polling_active:
    # 提示输入被调查者的名字和回答
    name = input("\nWhat is your name? ")
    response = input("Which mountain would you like to climb someday? ")
    # 将答卷存储在字典中（关键点之一）
    responses[name] = response
    # 看看是否还有人要参与调查
    repeat = input("Would you like to let another person respond? (yes/ no) ")
    if repeat == 'no':
        polling_active = False
# 调查结束，显示结果
print("\n--- Poll Results ---")
for name, response in responses.items():
    print(name + " would like to climb " + response + ".")